The C9 size measures 4x5.7 cm or 1.57x2.24". A C9 format card has an aspect ratio of 40/57. The area of the C9 paper size is 22.8 cm² or 3.53 inch² with a perimeter of 19.4 cm or 7.64". A C9 format has a diagonal length of 6.96 cm or 2.74". The C9 format belongs to the C series.
FAQ
What series does the C9 format belong to?
The C9 format belongs to the C series
What is the size of the C9 format?
The size of the C9 format is 4x5.7 cm or 1.57x2.24"
What is the aspect ratio of the C9 format?
The aspect ratio of the C9 format is 40/57
What is the area of the C9 format?
The area of the C9 format is 22.8 cm² or 3.53 inch²
What is the perimeter size C9?
The perimeter of the C9 format is 19.4 cm or 7.64"
What is the diagonal size C9?
The diagonal of the C9 format is 6.96 cm or 2.74"
C0
- Size: 91.7x129.7 cm
- Aspect ratio: 917/1297
C1
- Size: 64.8x91.7 cm
- Aspect ratio: 648/917
C2
- Size: 45.8x64.8 cm
- Aspect ratio: 229/324
C3
- Size: 32.4x45.8 cm
- Aspect ratio: 162/229
C4
- Size: 22.9x32.4 cm
- Aspect ratio: 229/324
C5
- Size: 16.2x22.9 cm
- Aspect ratio: 162/229
C6
- Size: 11.4x16.2 cm
- Aspect ratio: 19/27
C7
- Size: 8.1x11.4 cm
- Aspect ratio: 27/38
C8
- Size: 5.7x8.1 cm
- Aspect ratio: 19/27
C9
- Size: 4x5.7 cm
- Aspect ratio: 40/57
C10
- Size: 2.8x4 cm
- Aspect ratio: 7/10
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